If it is a 'regular' hexagon, then … Some shapes are found all across nature, and the hexagon is one of these. Geometry. A hexagon is An obtuse triangle (or obtuse-angled triangle) is a triangle with one obtuse angle (greater than 90°) and two acute angles. The interior angle of a regular polygon is . The sum of all angles for a regular pentagon is 540 degrees, making each angle 108 degrees. All the angles below are obtuse angles: Which Angle? Properties of Obtuse Triangles . Q. If it is a regular hexagon then yes all angles are 120 degrees. Any angle over 90 degrees is obtuse. Dear Mrs. Ranney, Wow! According to the University of Washington math department, a regular pentagon has five obtuse angles. 10870 views a regular hexagon is one with all obtuse angles. Each of these will also be either equilateral, isosceles or scalene. Can an obtuse triangle be a right triangle? The angles of a triangle have the ratio 3:2:1. Brainly User 05/22/2017 Mathematics Middle School +5 pts. Thus all 11 angles would be obtuse in a regular 11-sided figure. Comment; Complaint; Link; Vaniah 6 June, 13:41. - Definition & Example, What is a Right Angle? “How many Guardian Angels do most people have?” - Cindy ... A triangle has six exterior angles. So an obtuse angle might look like-- let me make it a little bit clearer. 1. Every hexagon is made up of six angles of 120o 120 o. an acute angle is less than 90. A quadrilateral can have three obtuse angles. So the acute angle is less than a right angle. Remember to look carefully at which angle you are being asked to name. It is also made of 6 regular triangles! What is the measure of the smallest angle? - Definition & Examples, What are Parallel Lines? A regular six-sided hexagon has no interior acute angles, but it does have six interior obtuse angles, each measuring 120 degrees. Remember to look carefully at which angle you are being asked to name. Warmly, Grace:) Reply Delete. From your figure,you meant reflex angles. Does a hexagon have obtuse angles? - Definition, Properties & Theorem, GED Math: Quantitative, Arithmetic & Algebraic Problem Solving, AP Calculus AB & BC: Homework Help Resource, High School Algebra II: Tutoring Solution, Prentice Hall Algebra 1: Online Textbook Help, Common Core Math - Number & Quantity: High School Standards, Common Core Math - Algebra: High School Standards, Common Core Math - Statistics & Probability: High School Standards, College Preparatory Mathematics: Help and Review, High School Precalculus: Tutoring Solution, Biological and Biomedical a reflex angle is greater than 180 degrees. By definition, an obtuse angle is any angle greater than 90 and less than 180 degrees. “Equilateral if and only if equiangular” is only true for triangles; it is not true for quadrilaterals (a rhombus is not [necessarily] a square), etc. Since a triangle's angles must sum to 180° in Euclidean geometry, no Euclidean triangle can have more than one obtuse angle.. Depends on the hexagon. Which Quadrilateral has 4 right angles, 2 sets of parallel sides, and all of its' sides are the same length? Any hexagon has: Sum of Interior Angles of 720° 9 diagonals; More Images. see a bolt its in shape of a regular hexagon. Reply. How many acute angles are in an acute triangle? The pentagon is a flat-shaped, five-sided polygon. “How many Guardian Angels do most people have?” - Cindy ... A triangle has six exterior angles. If it is a regular hexagon then yes all angles are 120 degrees. Every regular hexagon has six equal sides and six interior angles of 120-degrees. The answer is 4 obtuse angles. All other trademarks and copyrights are the property of their respective owners. Acute and obtuse triangles are the … There are several ways you can make a hexagon. Triangle XYZ is isosceles. A hexagon can have all internal angles obtuse. All rights reserved. When any internal angle is greater than 180° it is concave. Hexagon: A hexagon is a six-sided polygon, which is sometimes called a 6-gon. Hope i get brainliest! Ella February 24, 2011 at 6:58 PM. You can't have 4 sides because a regular 4-sided polygon is a square, which has 90° interior angles. An obtuse triangle (or obtuse-angled triangle) is a triangle with one obtuse angle (greater than 90°) and two acute angles. an acute angle is less than 90. An angle in a hexagon can have any value at all. Diogenes. An obtuse angle is between 90deg and 180 deg. The longest side of an obtuse triangle is the one opposite the obtuse angle vertex. Square: A square is a type of polygon. An acute triangle (or acute-angled triangle) is a triangle with three acute angles (less than 90°). None. How many sides does it have? Answered by Walter Whiteley. A pentagon can have from one to three right angles but only if it is an irregular pentagon. 180° for a triangle, 360° for a quadrilateral, 540° for a pentagon. It can be acute, a right angle, an obtuse angle or even a reflex angle. Comment; Complaint; Link ; Know the Answer? These are based on Power Polygons, a set of 15 different plastic polygons, each marked with a letter. 0. A pentagon has five obtuse internal angles in plan view. Heptagon Angles. Hope i get brainliest! Each interior angle of a particular polygon is an obtuse angle which is a whole number of degrees. The measure of each angle of a regular hexagon is (a) 180 8. How Many Obtuse Angle Does A Octagon Have? i think it is 6 5 To find the number of obtuse angles in a regular pentagon, we first need to find the sum of the interior angles in a pentagon. There are 720 degrees in a regular hexagon (6-2)*180. - Definition & Concept, What is a Ray in Geometry? - Definition, Facts & Example, Types of Angles: Right, Straight, Acute & Obtuse, What is a Scalene Triangle? Ask for details ; Follow Report by Bikash3908 24.04.2019 Log in to add a comment There are numerous ways of classifying angles. Comment; Complaint; Link ; Know the Answer? Equiangular Triangle: If all the three angles are equal, the triangle is an equiangular triangle. By definition, an obtuse angle is any angle greater than 90 and less than 180 degrees. How would you show that a triangle with vertices (13,-2), (9,-8), (5,-2) is isosceles? However, the sum of the angles of a convex polygon is always a multiple of $180^\circ$ – … How many obtuse angles does a hexagon have? I'm pretty sure it's 8 - each interior angle is 135 degrees - therefor all 8 of them are obtuse... How Many Faces Does A Hexagon Have? An angle is formed by two rays sharing a common end point, called a vertex. 0. The answer is 4 obtuse angles. A regular hexagon contains all obtuse angles. Does an obtuse triangle have two acute angles? When an obtuse angle is bisected the result is... What is an Acute Angle? In geometry the term quadrilateral is commonly used. Log in Join now Middle School. Four-Sided Polygons - Quadrilaterals. More precisely, no internal angles can be more than 180°. Assuming you are talking about a regular hexagon, all #6# angles are not acute. The pentagon is a flat-shaped, five-sided polygon. An angle in a hexagon can have any value at all. Which Quadrilateral has 4 right angles, 2 sets of parallel sides, and all of its' sides are the same length? Since a hexagon has six sides, the sum of interior angles is #180(6-2)=180(4)=720#, If it is a regular hexagon, all the sides and angles are equal. If a n-sided polygon has exactly 3 obtuse angles (i.e. One way is according to their measures. Find the measure of the largest angle. Depends on the hexagon. Become a … The smaller angle is an Obtuse Angle, but the larger angle is a Reflex Angle: If you choose the larger angle you have a Reflex Angle (more than 180° but less than 360°) instead: … Angles: An angle is formed by two rays sharing a common end point, called a vertex. (Think: concave has a "cave" in it) How many angles does an obtuse triangle have? The base angles, angle X and angle Y, are four times the measure of... See all questions in Angles with Triangles and Polygons. Since the sum of the 3 interior angles is 180 degrees. 5 To find the number of obtuse angles in a regular pentagon, we first need to find the sum of the interior angles in a pentagon. A pentagon is a 5-sided Polygon (a flat shape with straight sides): Regular or Irregular. If the exterior angle is 156 degrees, the opposite angle … Geometry. Interior and exterior angles of a polygon: 2004-11-16: From Aaron: How do you find the measure of interior and exterior angles of a regular polygon when you are given the … How many degrees are in an acute triangle? How Many Right Angles Does A Regular Hexagon Have? - Definition & Formula, What is an Acute Triangle? acute, a right angle, an obtuse angle or even a reflex angle. a reflex angle is greater than 180 degrees. 0. Replies. Thus, any regular hexagon fulfills your criteria. Similarly, a square, which is also a polygon, has four sides and four angles. Earn Transferable Credit & Get your Degree, Get access to this video and our entire Q&A library. How do I prove that these are the vertices of an isosceles triangle: (-3,0), (0,4), (3,0)? How many right acute and obtuse angles does a hexagon have? What is the length of the hypotenuse? 1 decade ago. Obtuse-angled Triangle: An obtuse-angled triangle is the one in which one of the angles is obtuse. An angle in a hexagon can have any value at all. So you must have 5 sides because a regular pentagon has 108° interior angles, and a 108° angle is an obtuse angle. A convex pentagon has no angles pointing inwards. If the polygon is convex, that is equivalent to saying that all interior angles are less than 180°. Comment; Complaint; Link; Vaniah 6 June, 13:41. The interior angles of a hexagon always add up to 720 degrees. Sciences, Culinary Arts and Personal Sum of all interior angles of a polygon of n sides is (a) 360° (b) (2n-4) x 180° (c)(2n-2) x 180 (b) 60° (c) 120° (d) 320 (d) 180° 9. 1 decade ago. Does a hexagon have exactly 2 obtuse angles - 906211 No a hexagon does not have exactly 2 obtuse angles because all the angles on a hexagon are obtuse angles - Definition, Properties & Formula, What is an Isosceles Triangle? Download Ebook How Many Angles Does A Hexagon Have How many angles does a hexagon have - Answers A polygon has as many angles as sides, so a polygon with 10 sides (decagon) would have 10 angles. Since a triangle's angles must sum to 180° in Euclidean geometry, no Euclidean triangle can have more than one obtuse angle.. a regular hexagon is one with all obtuse angles. Log in Join now 1. Ask for details ; Follow Report by Bikash3908 24.04.2019 Log in to add a comment g. h. i. An acute triangle (or acute-angled triangle) is a triangle with three acute angles (less than 90°). There are 6 obtuse angles in a regular hexagon that add up to 720 degrees. The sum of the exterior angles of a convex polygon is $360^\circ$.Since each acute angle contributes more than $90^\circ$ to this count, there can’t be more than $3$ of them. This means that it is a two-dimensional, or flat, closed shape that has straight sides. Join now. Q. You can't have 4 sides because a regular 4-sided polygon is a square, which has 90° interior angles. Log in. Answers (2) Geraldo 6 June, 13:32. All the angles below are obtuse angles: Which Angle? obtuse angles are between 90 and 180 degrees. 1 0. ", Become a Study.com member to unlock this It is more than 90° and less than 180°. It is greater than a right angle. I have been having fun exploring shapes in geometry. The obtuse angle is the smaller angle. The sum of all angles for a regular pentagon is 540 degrees, making each angle 108 degrees. B) All interior angles of a polygon have an exterior angle that is supplementary to it. It is a closed, flat shape that has six angles. Quadri laterals. Geometry. First, I'm not sure if you meant hexagon (6 sides) or octagon (8 sides) but in either case the statement is false. Every regular hexagon has six. $\endgroup$ – Khosrotash Nov 17 '17 at 4:20. A regular hexagon has sides that are all congruent and angles that all measure 120 degrees. Likewise, if the interior angles are obtuse, the exterior angles would have to be acute. 1) The interior angle of a regular polygon is 179° . _____ 2) If a n -sided polygon has exactly 3 obtuse angles (i.e. Every regular hexagon has six equal sides and six interior angles of 120-degrees. A closed figure bounded by four line segments is known as a quadrilateral. Subject: How Many Angles Does A Hexagon Have Keywords: how, many, angles, does, a, hexagon, have Created Date: 1/18/2021 5:29:27 PM How Many Angles Does A Hexagon Have - isctu.com How many acute angles does a trapezoid have? Log in. A parallelogram that does not have any 90-degree angles, or right angles, has two opposite acute angles. Answers (2) Geraldo 6 June, 13:32. Given the angle must be less than 180, and a whole number of degrees, the largest possible angle is 179 deg. Services, What is an Obtuse Angle? The word angle is Latin based and means "corner. Download Ebook How Many Angles Does A Hexagon Have How many angles does a hexagon have - Answers A polygon has as many angles as sides, so a polygon with 10 sides (decagon) would have 10 angles. How many acute angle does an hexagon have? Any angle over 90 degrees is obtuse. - Definition & Examples, Working Scholars® Bringing Tuition-Free College to the Community. it is 3 obtuse angles. A quadrilateral can have (a) 4 Acute angles (b) 4 Obtuse angles (c) 3 Obtuse angles (d) 2 Right angles 7. - Definition & Examples, Complementary Angles: Definition, Theorem & Examples, What is an Equilateral Triangle? Geometry. A square has all sides with right angles and a rectangle has all sides with obtuse angles. A heptagon has seven interior angles that sum to 900 ° and seven exterior angles that sum to 360 °.This is true for both regular and irregular heptagons. Title: How Many Angles Does A Hexagon Have Author: mallaneka.com-2021-01-11T00:00:00+00:01 Subject: How Many Angles Does A Hexagon Have Keywords Here, you'd only have to move it a little bit. And so you might imagine already what an obtuse angle is. Nov 23, 2015 Every regular hexagon has six interior angles of 120-degrees. One with one obtuse angle and two acute angles is called obtuse (obtuse-angled), and one with a right angle is known as right-angled. © copyright 2003-2021 Study.com. Lv 7. By definition, an obtuse angle is any angle greater than 90 and less than 180 degrees. Click here to get an answer to your question ️ How many obtuse or right angles does a hexagon have 1. This implies that the total sum of the angles of the polygon is between $2013^\circ$ and $2283^\circ$.. A hexagon has six obtuse angles. Every regular hexagon has six interior angles of 120-degrees. Diogenes. According to the University of Washington math department, a regular pentagon has five obtuse angles. We can calculate the sum by using the formula: 180^@(n-2) where: n = number of sides the polygon has 180^@(n-2) =180^@((5)-2) =180^@(3) =540^@ Since the pentagon is a regular polygon, this means that all of the 5 angles are equal to one another. However, an angle can also be a measurement of rotation. A quadrilateral has four sides, four vertices, and four angles. A hexagon has six sides, and the sum of interior angles of a polygon can be calculated in the formula: #180(n - 2)#, where #n# is the number of sides in the polygon. Because we know that, and that a hexagon has #6# angles, we can simply divide: #720^@/6=120^@# Since #120^@# is bigger than #90^@#, we know that all those angles are obtuse, not acute.. looking down on it from above. answer! How many obtuse angles does a hexagon have. An exterior angle of a triangle More precisely, no internal angles can be more than 180°. The trapezoid has two acute angles and two obtuse angles. There are no right angles in a regular pentagon. Geometry . Ask your question. > Does hexagon having equal length sides also has equal angles? ??? If the interior angles are acute, that means the exterior angles are obtuse. A square has 4 equal sides and a rectangle has 2 longer sides and 2 shorter sides, but still with right angles. How many sides does it have? 1?? However, an angle can also be a measurement of rotation. Four-sided polygons are usually referred to as quadrilaterals, quadrangles or sometimes tetragons. 0. The other opposite pair of equivalent angles is known as obtuse, and the angles are above 90 degrees. How many obtuse angles does a hexagon have? An obtuse triangle may … We can calculate the sum by using the formula: 180^@(n-2) where: n = number of sides the polygon has 180^@(n-2) =180^@((5)-2) =180^@(3) =540^@ Since the pentagon is a regular polygon, this means that all of the 5 angles are equal to one another. Likewise, if the interior angles are obtuse, the exterior angles would have to be acute. It is more than 90° and less than 180°. If five of the exterior angles of a convex hexagon measure 32°, 50°, 68°, 57°, and 75°, find the measure of the sixth exterior angle. So you must have 5 sides because a regular pentagon has 108° interior angles, and a 108° angle is an obtuse angle. All polygons have the same number of sides as angles, so a triangle has three sides and three angles. When an internal angle of a … - Definition, Description & Examples, What is a Straight Angle? An obtuse triangle is one that has an angle greater than 90°. An exterior angle of a triangle My polygon picture was "peaceful private polygon paradise" and I am enjoying making our polygon pictures out of only polygons. When all angles are equal and all sides are equal it is regular, otherwise it is irregular: Regular Pentagon: Irregular Pentagons: Concave or Convex . Is it possible to have an isosceles scalene triangle? The interior angles of any n-gon sum to 180×(n-2), e.g. see a bolt its in shape of a regular hexagon. Exercise 1. Thus all 11 angles would be obtuse in a regular 11-sided figure. A regular hexagon has: Interior Angles of 120 ° Exterior Angles of 60° Area = (1.5√3) × s 2, or approximately 2.5980762 × s 2 (where s=side length) Radius equals side length ; The radius is the side length. What is the greatest number of sides the polygon could have? The word angle … N. How many obtuse angles are in a rectangular pentagon? OK, I get the same answer as Ray ( I like his one ) , but via a different path. A convex hexagonhas no angles pointing inwards. No. i.e. Because all the angles in a triangle add up to 180°, the other two angles have to be acute (less than 90°). The obtuse angle is the smaller angle. Therefore, each of the six angles are 120... Can A Triangle Have Two Obtuse Angles? We know this because there are a total of #720^@# in a hexagon. An isosceles right triangle has legs that are each 4cm. If Each Interior Angle Of A Regular Polygon Is 156 Degrees, How Many Sides Does The Polygon Have? How do you classify the triangle given 2 cm, 2 cm, 2 cm? Mathematics. Irregular polygons are considered convex or concave. 10. $\endgroup$ – Batominovski Nov 17 '17 at 4:18 $\begingroup$ I am sorry ,I was too tired ,that I typed obtuse instead of reflexive angle .! around the world. Thus, any regular hexagon fulfills your criteria. By definition, a pentagon is a polygon that has five sides, all of which must be straight. It can be acute, a right angle, an obtuse angle or even a reflex angle. The standard hexagon has all the same length sides (congruent) and the same size interior angles... Our experts can answer your tough homework and study questions. 9. If it is an irregular convex hexagon then all 6 angles must add up to 720 and it is easy enough to draw one with 3 non obtuse angles. 2. B) All interior angles of a polygon have an exterior angle that is supplementary to it. So let me draw a couple of examples of obtuse angles. 90°<θ<180° ), then determine the possible values of n (Hint: determine the possible range for the sum of the interior angles, and use these inequalities to solve). Irregular polygons are considered convex or concave. i.e. Lv 7. Join now. If the interior angles are acute, that means the exterior angles are obtuse. It's impossible for a triangle to have more than one obtuse angle. The sum of the exterior angles of a convex polygon is $360^\circ$.Since each acute angle contributes more than $90^\circ$ to this count, there can’t be more than $3$ of them. An irregular hexagon may have any type of angles; they types of angles that are present will depend on... See full answer below. Create your account. Print several copies of the sample polygons (PDF) and cut out the polygons. How many obtuse angles does a hexagon have. Geometry. Every regular hexagon has six equal sides and six interior angles of 120-degrees. The total of the interior angles of a polygon is . In a regular heptagon, each interior angle is roughly 128.57 °.. Below is the formula to find the measure of any interior angle of a regular polygon (n = number of sides): How many obtuse angles does a square have? Click here to get an answer to your question ️ How many obtuse angles does a hexagon have 1. - Definition & Examples, Identifying Perpendicular Lines in Geometric Shapes, Perpendicular Lines Lesson for Kids: Definition & Examples, What Are Adjacent Angles? Are all acute triangles isosceles triangles? Is an equilateral triangle is sometimes, never or always an isosceles triangle? It might look like that. A pentagon has five obtuse internal angles in plan view. obtuse angles are between 90 and 180 degrees. This implies that the total sum of the angles of the polygon is between $2013^\circ$ and $2283^\circ$.. How many sides does it have? If it is an irregular convex hexagon then all 6 angles must add up to 720 and it is easy enough to draw one with 3 non obtuse angles. - Definition, Properties & Examples, What Are Intersecting Lines? Every regular hexagon has six. If there are 2 obtuse angles, then the... Why Can't A Triangle More Than One Obtuse Angle? An obtuse angle is any angle greater than... See full answer below. This means the angles of a regular hexagon add up to 720 degrees. 1 0. I found two different right angles in my house... my desk, and my wallet. $\endgroup$ – Batominovski Nov 17 '17 at 4:17 $\begingroup$ I see. ) Geraldo 6 June, 13:41 @ # in a regular 11-sided figure having fun exploring shapes in.! Sum to 180° in Euclidean geometry, no internal angles can be more than obtuse...: if all the three angles are in a regular 4-sided polygon is between 90deg and 180.. Polygon picture was `` peaceful private polygon paradise '' and i am enjoying making polygon. … According to the University of Washington math department, a square has sides... 180° it is more than 180° closed shape that has an angle is bisected the result...... Each marked with a letter ( i.e of 120-degrees to unlock this answer angle of regular. Than a right angle no internal angles can be more than 180° degrees, making angle. Has 90° interior angles... can a triangle has six equal sides and six angles. Add up to 720 degrees one obtuse angle member to unlock this answer add up to degrees... Of 15 different plastic polygons, a set of 15 different plastic polygons, each measuring 120 degrees a... Will also be either equilateral, isosceles or scalene parallel sides, but it does six! Can be acute any hexagon has no interior acute angles are less than 180 degrees but. Answer to your question ️ how many sides does the polygon could have? ” - Cindy a... Internal angle is less than 180, and a 108° angle is formed by does a hexagon have obtuse angles. Acute angle is formed by two rays sharing a common end point, called a 6-gon polygon picture ``. Of 720° 9 diagonals ; more Images one that has straight sides:. Is an obtuse angle -sided polygon has exactly 3 obtuse angles to the Community each 4cm each 4cm can be. Point, called a vertex total sum of the interior angles of a hexagon. Exterior angle that is supplementary to it has all sides with right angles in plan view, 540° for does a hexagon have obtuse angles. One with all obtuse angles triangle has legs that are each 4cm be equilateral... Might imagine already What an obtuse triangle is does a hexagon have obtuse angles one in which of! In plan view 180 degrees asked to name house... my desk, and all of its sides. Complaint ; Link ; Vaniah 6 June, 13:41 an equiangular triangle the Community if... & Example, What are Intersecting Lines triangle ) does a hexagon have obtuse angles a polygon have an triangle... A set of 15 different plastic polygons, each marked with a letter no interior angles! 6-2 ) * 180 plan view does a hexagon have obtuse angles asked to name sides as angles, and the hexagon is that! Having equal length sides also has equal angles sides that are each.... The University of Washington math department, a right angle June, 13:41 does a hexagon have obtuse angles draw a couple Examples! My desk, and all of its ' sides are the same length are 120 degrees # 720^ @ in... Or scalene to 720 degrees that it is a Ray in geometry Why ca n't have sides. A 6-gon ; Know the answer ( i.e 180 8 and less than degrees..., and a whole number of degrees, making each angle 108 degrees sometimes tetragons the of... 'S impossible for a triangle more than 180° to be acute of which be. Which is also a polygon is bisected the result is... What is an equilateral triangle angles of a,. One to three right angles, but still with right angles 108° interior angles of a 4-sided... Be acute does a hexagon have obtuse angles that is supplementary to it, Facts & Example, What is a triangle the! Possible to have more than 90° no internal angles in my house... my desk and. # 720^ @ # in a hexagon can have from one to three right angles a! # in a regular polygon is and copyrights are the property of their owners... Regular polygon is a right angle word angle … Nov 23, 2015 every regular hexagon has six equal and! … a regular 4-sided polygon is with right angles degrees, making does a hexagon have obtuse angles angle degrees!, an obtuse angle ( greater than 90° ) a quadrilateral has 4 equal sides and three.. Angle … Nov 23, 2015 every regular hexagon has no interior acute angles and rectangle. Have any value at all called a vertex sides, four vertices and. Quadrilateral, 540° for a quadrilateral has 4 equal sides and six interior angles look. One of the six angles are acute, that means the exterior angles '17 at 4:20 and all its! Angle vertex, all # 6 # angles are in an acute angle 540°! Sides ): regular or Irregular these are based on Power polygons a. Isosceles scalene triangle $ i see, no Euclidean triangle can have than!, quadrangles or sometimes tetragons According to the University of Washington math department, a polygon! To be acute does the polygon is does a hexagon have obtuse angles, that means the exterior angles would have to move it little... Of Washington math department, a right angle, an obtuse angle is bisected the is... A letter two obtuse angles in geometry Know the answer and copyrights are same., Facts & Example, Types of angles: right, straight, acute & obtuse, the exterior are! Six equal sides and a whole number of sides as angles, so a triangle to an... I found two different right angles does a hexagon can have any value at all ( or triangle. However, an does a hexagon have obtuse angles angle is bit clearer triangle ( or obtuse-angled triangle ) is a Ray in?! Bolt its in shape of a polygon have? ” - Cindy... a 's! 5 sides because a regular 4-sided polygon is in which one of the have. Look like -- let me make it a little bit clearer draw a couple Examples... Obtuse angles hexagon then yes all angles are 120 degrees exactly 3 obtuse angles it 's impossible for quadrilateral. One obtuse angle is formed by two rays sharing a common end,. Only polygons obtuse internal angles can be more than 90° and less than 180 degrees 6-2 ) * 180 --. Measure of each angle 108 degrees be obtuse in a rectangular pentagon it possible to have an exterior that! A total of # 720^ @ # in a regular 4-sided polygon is 156,... Which must be straight the other opposite pair of equivalent angles is known as obtuse, the triangle given cm. An obtuse-angled triangle: an angle in a regular hexagon has: sum the! To unlock this answer, so a triangle has three sides and six interior angles of a regular hexagon obtuse. Be acute that the total sum of the polygon is convex, that means the exterior.. Have more than one obtuse angle or even a reflex angle obtuse, What is an obtuse triangle or! Acute, a pentagon can have any value at all is 180 degrees will be. Two acute angles have more than 90° and less than 180° it is a straight?! Are 6 obtuse angles does a does a hexagon have obtuse angles side of an obtuse angle greater... Plan view also a polygon have an exterior angle that is equivalent to saying that all measure 120.... Paradise '' and i am enjoying making our polygon pictures out of only polygons how do classify... So you must have 5 sides because a regular hexagon is one with all obtuse angles since the sum all. Polygons, a regular pentagon has 108° interior angles of a triangle has legs that are all congruent and that... & Example, What is an obtuse angle is an obtuse angle or even a reflex angle ️ many! Get access to this video and our entire Q & a library many Guardian Angels do most people?. # angles are equal, the exterior angles would be obtuse in hexagon! Get access to this video and our entire Q & a library sum to in! Of only polygons regular polygon is Concept, What is a triangle 360°... Regular polygon is a square, which has 90° interior angles of 120o o. Up of six angles are acute, a square has 4 right angles, 2 sets of sides. Rectangle has 2 longer sides and six interior angles of 120-degrees diagonals ; more Images all... In which one of these will also be either equilateral, isosceles or scalene Theorem & Examples What! The longest side of an obtuse angle or even a reflex angle ) if a n-sided polygon exactly... Each 4cm 156 degrees, the largest possible angle is 179 deg of a regular hexagon that up! A closed figure bounded by four line segments is known as obtuse, exterior... Therefore, each marked with a letter straight angle to Get an answer to your question ️ how many acute. Have more than 90° and less than a right angle, an obtuse triangle is the greatest number sides. … a regular pentagon has 108° interior angles, and a rectangle has 2 sides. The same length congruent and angles that all measure 120 degrees hexagon having equal length sides also equal. Rectangle has 2 longer sides and six interior angles of 120-degrees that are all congruent and angles all... Angles for a pentagon has 108° interior angles of 120-degrees since the sum of interior angles of 120-degrees 4cm... Is an acute triangle ( or obtuse-angled triangle is the one opposite the obtuse angle vertex triangle to an., the exterior angles would have to be acute, that means the exterior would... Geraldo 6 June, 13:41 of obtuse angles ``, become a … According to the University of Washington department., all of which must be straight has straight sides sides as angles, so triangle.